ABAP Select data from SAP table FDC_S_ACCDOC_HDR_EXIO_1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FDC_S_ACCDOC_HDR_EXIO_1 table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FDC_S_ACCDOC_HDR_EXIO_1. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FDC_S_ACCDOC_HDR_EXIO_1 table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FDC_S_ACCDOC_HDR_EXIO_1 TYPE STANDARD TABLE OF FDC_S_ACCDOC_HDR_EXIO_1,
      WA_FDC_S_ACCDOC_HDR_EXIO_1 TYPE FDC_S_ACCDOC_HDR_EXIO_1,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FDC_S_ACCDOC_HDR_EXIO_1> TYPE FDC_S_ACCDOC_HDR_EXIO_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FDC_S_ACCDOC_HDR_EXIO_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FDC_S_ACCDOC_HDR_EXIO_1
  INTO TABLE IT_FDC_S_ACCDOC_HDR_EXIO_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_HDR_EXIO_1
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_HDR_EXIO_12).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FDC_S_ACCDOC_HDR_EXIO_1 INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_HDR_EXIO_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FDC_S_ACCDOC_HDR_EXIO_1 ASSIGNING <FDC_S_ACCDOC_HDR_EXIO_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_HDR_EXIO_1>-BUKRS = 1.
<FDC_S_ACCDOC_HDR_EXIO_1>-BELNR = 1.
<FDC_S_ACCDOC_HDR_EXIO_1>-BLART = 1.
<FDC_S_ACCDOC_HDR_EXIO_1>-BLDAT = 1.
<FDC_S_ACCDOC_HDR_EXIO_1>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_FDC_S_ACCDOC_HDR_EXIO_1 INTO WA_FDC_S_ACCDOC_HDR_EXIO_1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FDC_S_ACCDOC_HDR_EXIO_1-VATDATE, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXIO_1-FULFILLDATE, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXIO_1-MONAT, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXIO_1-WWERT, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXIO_1-WAERS, sy-vline,
  WA_FDC_S_ACCDOC_HDR_EXIO_1-LDGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_HDR_EXIO_1 you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FDC_S_ACCDOC_HDR_EXIO_1 TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FDC_S_ACCDOC_HDR_EXIO_1 INTO WA_FDC_S_ACCDOC_HDR_EXIO_1.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXIO_1-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXIO_1-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXIO_1-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXIO_1-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXIO_1-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXIO_1-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FDC_S_ACCDOC_HDR_EXIO_1-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FDC_S_ACCDOC_HDR_EXIO_1-HWSTE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FDC_S_ACCDOC_HDR_EXIO_1_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
VATDATE TYPE STRING,
FULFILLDATE TYPE STRING,
MONAT TYPE STRING,
WWERT TYPE STRING,
WAERS TYPE STRING,
LDGRP TYPE STRING,
KURSF TYPE STRING,
FWSTE TYPE STRING,
HWSTE TYPE STRING,
PARGB_HDR TYPE STRING,
BRNCH TYPE STRING,
REINDAT TYPE STRING,
NUMPG TYPE STRING,
BTTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_HDR_EXIO_1_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BUKRS sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BELNR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BLART sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BLDAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BUDAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-VATDATE sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-FULFILLDATE sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-MONAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-WWERT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-WAERS sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-LDGRP sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-KURSF sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-FWSTE sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-HWSTE sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-PARGB_HDR sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BRNCH sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-REINDAT sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-NUMPG sy-vline 
WA_FDC_S_ACCDOC_HDR_EXIO_1_STR-BTTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.